<!doctype html>
<meta charset="utf-8">
<script>
    alert("也许...")
    alert("这里就是终点了...")
    alert("接下来...")
    alert("就是最后的考验...")
</script>
<script src="./main_cookie_set.js"></script>
<input id="last"></input>
<button onclick="chkkey(document.getElementById('last').value)">检查</button>